3-1 -Specifications.pdf

CITY OF LEWISVILLE

RFB #25-80-A

ANNUAL CONTRACT FOR WORK ORDER GENERATED CONCRETE REPAIRS

The City of Lewisville is accepting competitive sealed bids to establish an annual contract for work order generated concrete repairs as needed for City of Lewisville. The term of the contract will be twelve (12) months, with options to extend up to three (3) additional twelve (12) month periods, subject to the approval of the contractor and the City.

It is the City’s intent to award two (2) contracts to establish a primary and secondary contractor.

When services are required, the primary contractor will be contacted first to perform the repairs.

If the primary contractor is unable to respond to a service call when requested by the City, or if the estimate repair price is deemed by the City to be excessive, the secondary contractor will be notified. If the City is unable to secure the service from the secondary contractor, the City reserves the right to secure such services on the open market.

The pricing shall be submitted as UNIT PRICE per item and shall include, (but not limited to), materials, inspections, etcetera. The City reserves the right to add or remove locations as needed.

GENERAL SPECIFICATIONS

• Before work begins, a pre-construction meeting will be arranged wherein the contractor and representative(s) of the City will discuss procedures for the work to be completed.

• The contractor will provide the names of material vendors and a copy of mix designs for concrete for City approval.

• The contractor is responsible for supplying all equipment, labor, material, supervision, and traffic control as required to successfully completing repairs.

• The contractor shall designate a full-time superintendent who shall be always on the job site during the maintenance work. The City’s representative will communicate only with the superintendent. The contractor may replace the designated superintendent after written notification to the City. The City may request replacement of designated superintendent after written notification to the contractor.

• The contractor hereby agrees to commence work within ten (10) working days of receipt of notice to proceed and complete the work on each group of repairs within a reasonable amount of time after receipt of the notice to proceed, subject to extensions of time as provided by general and special conditions.

• The City will be responsible for notifying the public of the agreed upon start date and scope of work at least seventy-two (72) hours prior to start of work.

• The contractor will provide a list of names and twenty-four (24) hour emergency phone numbers for all key personnel related to the project.

• The City may request replacement of designated superintendent after written notification to contractor.

• Work hours shall be limited to the period between 7:00 A.M. to 5:00 P.M., Monday through

Thursday, and 7:00 A.M. to 11:30 A.M. on Friday. The contractor will curtail any operation defined in an Ozone Action Day, issued by TCEQ. No excavation will be allowed on Fridays and no work will be allowed on Saturdays without permission pre-submitted via email or letter with approval from the City at least forty-eight (48) hours in advance. No work will be allowed on Sundays or holidays (listed below).

New Year’s Day

Martin Luther King’s Birthday Memorial Day

Juneteenth July Fourth Labor Day

Thanksgiving The day after Thanksgiving

Christmas Eve and Day

• The City of Lewisville Standard Details specifications, in combination with Federal and State ADA Specifications, and North Central Texas Council of Governments Public Works Construction Standards (2017 edition), shall govern all work performed in the City of Lewisville. If a conflict arises, the inspector in charge of the project shall determine which specifications will be used. The contractor’s field supervisor shall be required to obtain a copy of both, at the contractor’s expense.

• A monthly pay request may be submitted by the 25th of each month for payment of completed pay items. This pay request shall be itemized to reflect the completed quantities per bid item.

• Only items in the proposal are pay items. The bid price shall cover all work required by the Contract Documents. All costs in connection with the proper and successful completion of work, including furnishing all materials, equipment, supplies, and appurtenances; providing all construction plant, equipment, and tools; and performing all necessary labor and supervision to fully complete the work, shall be included in the unit and lump sum prices bid. All work not specifically set forth as a pay item in the Proposal shall be considered a subsidiary obligation of contractor and all costs in connection therewith shall be included in the prices bid.

• The City shall pay contractor for completion of the work on a unit price work basis, in accordance with the contract documents based on actual measured quantities and the unit prices stated in proposal. A measurement of completed quantities will be conducted prior to the submittal of each pay request. The contractor’s field supervisor and the City’s representative shall conduct this measurement.

• City may terminate contract if contractor persistently fails to perform the work in accordance with the contract documents including, but not limited to, failure to supply sufficient skilled workers, suitable materials, equipment, or otherwise violates in any substantial way any provisions of the contract documents. City may, after giving contractor seven (7) days written notice and to the extent permitted by law and regulations, terminate the services of contractor from the site and take possession of the work.

TRAFFIC CONTROL

• The contractor shall provide warning signs, barricades, channelizing devices, and flagmen as needed to provide for the safety of the traveling public. Traffic control may include, but is not limited to, lane closures, detours, and road closures. A traffic control plan in conformance with the Revision 2 of the 2011 version of the Texas Manual on Uniform Traffic Control Devices for Street and Highways (TMUTCD) must be submitted for each street where work will be performed. Free-hand drawings will not be accepted.

• The contractor shall ensure that each person whose actions affect temporary traffic control work zone safety, from upper-level management through field personnel, has received training appropriate to the job decisions each individual is required to make concerning traffic control.

• All traffic control devices shall be used in accordance with the guidelines in the

Revision 2 of the 2011 version of the TMUTCD.

• All barricades, plastic drums, vertical panels, and construction signing shall comply with the requirements of the current Texas Department of Transportation Barricading and Construction Standards sheets.

• No work will impede sidewalk usage without proper signage. Any repairs that affect sidewalk access will have ADA compliant barricades with “Sidewalk Closed – Use Other Side” signs at the beginning and end of the area affected. All sign placements shall comply with the most current revision of Federal and State ADA requirements standards. No signs will be allowed on the sidewalk outside of the closed area.

• Stop/Slow paddles will be used in all flagging operations.

• Flagging personnel must meet the qualifications as stated in Revision 2 of the 2011 version TMUTCD.

• No street shall be closed to traffic without written approval from the City.

• All construction signs shall be reflective and like new in appearance. The City may require signs be replaced which do not meet these requirements.

• Routine inspection of traffic control for each project is the responsibility of the contractor and shall be performed daily according to Revision 2 of the 2011 version of the TMUTCD. Traffic control inspections will be required on holidays, weekends, and non-workdays as well.

• Construction signs shall not be removed from the work zone until approved by the

City.

TEMPORARY CONSTRUCTION WATER METER

The contractor shall contact Public Services, Street Division, for required paperwork. Upon receiving paperwork, the contractor shall make the required deposit with Customer Service, who will then inform Public Services that a temporary water meter is ready to be installed where indicated on the paperwork. Contractor is responsible for paying the temporary meter deposit and all water usage required for this project. Deposit will be reimbursed when the meter is returned.

CONCRETE MIX DESIGNS

Three different strengths of concrete will be used on this contract. The contractor will provide for City’s approval a copy of a mix design for each of the following:

3000 P.S.I. no fly ash, air 3750 P.S.I. no fly ash, air 4200 P.S.I. no fly ash, air, High early three (3) day cure

CONSTRUCTION PLANS

There are no construction plans for this project. The contractor shall be responsible for proper drainage of each project.

SEDIMENT CONTROL

All inlets affected by the project will have sediment covers placed over openings and be maintained as required. Concrete residue left from sawing will be removed. Any material piles left on the job site over night will have containment around them.

EQUIPMENT LEFT ON JOBSITE

All equipment left on the jobsite overnight shall be located within the lane closure and safely barricaded. If the lane closure is not large enough to safely accommodate the equipment, it will not be allowed to be left in the street. All equipment will be required to carry fire extinguishers in case of emergency.

BARRIER FREE RAMPS

All barrier free ramps consist of curb cuts, ramps, curb transition, return curbs, landings, flares, and saw cuts. The pay item will be by the square foot, to include all items considered part of the ramp, as defined in the above statement. The City of Lewisville shall approve the layout of the ramp components for each ramp location. The contractor will be responsible for ensuring ramps are built to meet all state and federal requirements. If the layout causes a conflict with ADA requirements, contractor shall inform the inspector of the conflict. Any changes to the layout must still ensure full compliance to federal and state ADA requirements.

DECTECTABLE WARNINGS

Detectable warnings shall be one of two types; cast in place (wet set) or surface mount. The inspector will determine which type will be used during the layout of the Ramp. Both types shall be twenty-four (24) inches in depth in the direction of pedestrian travel, full width of the ramp. A pay item will be listed for each type. The line item will be paid by linear foot of detectable warning width. The unit price given shall include installation.

All detectable warnings shall be ADA Solutions, Inc. or an approved equivalent. The color shall be brick red.

HOT POUR SEALANT

Hot pour sealant used on the project shall be Crafco Polyflex Type 3 or approved equivalent.

The use of an alternative material, which is of equal quality and of required characteristics for the purpose intended, will be permitted subject to the following requirements:

The burden of proof as to the quality and suitability of alternatives shall be upon the contractor, and contractor shall furnish all necessary information required by the City. The proposed alternate shall meet or exceed the specifications required for the material named in the contract documents. The City shall be the sole judge as to the quality and suitability of the alternative articles or material, and the City’s decision shall be final.

STAMPED PATTERNED CONCRETE

Some areas of pavement and median pavement for this project will receive a stamped and patterned surface with coloring in accordance with both the City’s Standard Specifications and Patterned Concrete Industries, Inc., or Bominite Corporation specifications for median pavement.

This includes their requirements for expansion joints, joint filler board, welded wire fabric, and concrete mix.

The contractor field supervisor shall be required to obtain a copy of these specifications at the contractor’s expense.

Stamped and patterned concrete (imprinted concrete paving) shall be installed in accordance with the standard specifications of either Patterned Concrete Industries, Inc., or Bominite Corporation.

Median pavement shall be stamped and patterned to one of the following:

a) Patterned Concrete Industries, Inc.

Pattern: Running Bond Cobble Color: A-27 Dark Red

b. Per Bominite Corporation Pattern: Running Bond Cobblestone

Color: B-15 Colonial Red

All work performed on stamped and patterned concrete must be of the same manufacturer, and all materials used, including the concrete mix, must be the same for the entire project. Color hardeners and release agents as recommended by the tooling manufacturers shall be used.

TESTING

Initial testing will be paid by the City. All retesting will be at the expense of the contractor.

Additional proctors may be requested at any time at the expense of the contractor.

SPECIAL SPECIFICATIONS

The contractor is responsible for compliance with all laws and regulations regarding the prevention of underground utility damage. The contractor is also responsible for reporting to the appropriate operator any damage to underground utilities during the course of work.

• The City shall mark the saw cut and excavation limit on each repair site.

• Removal of integral curb will be included in the unit price of concrete pavement removal.

• No street or alley repair will be smaller than five feet by five feet (5’ x 5’).

• Number five (5) dowel bars will be used in all six (6) inch concrete.

• Number six (6) dowel bars will be used in all eight (8) inch concrete.

• No sidewalk repair will be smaller than four feet by four feet (4’ x 4’).

• All sidewalks will be five (5) inches thick, and all dowel bars will be number four (4).

• All dowel bars will be, at minimum, asphalt coated to one-half (½) their length.

• No curb and gutter, or integral curb repair will be smaller than five (5) linear feet.

• All paving shall be sawcut along neat lines prior to removal. Any pavement that is chipped or broken outside the saw cuts due to contractor error will be repaired as determined by the inspector and at the contractor’s expense.

• All excavated earth in excess of that required for back filling shall be removed from the job site and disposed of in a satisfactory manner except in locations where, in the judgment of the City and property owner, it can be neatly spread over the adjacent area.

No stockpiling of material in the street will be allowed after work hours.

• Topsoil will be used to level up excavated areas to receive sod.

• Positive drainage shall be established during the initial phase of grading and maintained throughout construction. The contractor will determine grade by use of an instrument or water as requested by the City. Any areas identified by the contractor that impede the positive drainage and are not scheduled for repair shall be brought to the attention of the project inspector. Inspector shall work with contractor to determine any additional areas that need repaired. Any completed repairs within the project that do not have positive drainage will be removed and corrected at the contractor’s expense.

• The contractor shall remove all trees, stumps, brush, and other debris or deleterious material generated as part of this work. Proper disposal of these items is the sole responsibility of the contractor.

• The contractor will protect trees that are to remain from damage.

• No material, which has been used for any temporary purpose, is to be incorporated in the permanent structure without written consent from the City.

• Delays associated with the delivery of materials will not be considered for any extension of contract time. It shall be the contractor’s responsibility to ensure that all materials are delivered on time.

• All rebar will be set in epoxy at tie-ins to existing concrete.

• No concrete shall be placed at any job site until the contractor has notified the City’s representative and requested and received an inspection of the site. The contractor shall request such inspection at least 24 hours prior to concrete being placed. Any concrete placed without an inspection shall be removed and replaced at the contractor’s expense.

• Bar chairs to support reinforcing steel and dowel rods shall be used in repairs as required.

• When concrete is placed adjacent to HMAC, the contractor shall place and compact base in the area between new concrete and existing paving to within two (2) inches of top of pavement and install asphalt paving to finished grade.

• Tooled joints in sidewalk will not be sealed. All other joints will be sealed.

• All inlets within the project limits, and any that may be affected by runoff from the project, will be cleaned at the end of each project.

• Contractor will provide protection to prevent debris entering into manholes during removal and replacement of pavement. If, during construction, debris does get into manhole the contractor is responsible for removing debris immediately. Contractor will notify inspector and is responsible for all confined space entry requirements. If debris causes a backup and emergency repairs are needed, the contractor is responsible for cost associated with all repairs needed.

• The areas adjacent to construction shall be returned to their original condition. It is the responsibility of the contractor to repair any damaged landscaping, sprinkler systems, or other items that are affected by the construction. Once the damage has been identified by either the contractor, the inspector, or the resident, the contractor will repair the damage within 48 hours and verify with the customer that the system has been restored to its original condition. IT IS THE CONTRACTOR’S RESPONSIBILITY

TO VERIFY THAT AN IRRIGATION SYSTEM HAS BEEN RETURNED TO ITS

ORIGINAL CONDITION with the resident, business owner, etc. If condition of the irrigation system has not been verified, payment for that month may be withheld (At the inspector’s discretion). Any sod that must be installed due to the construction will be installed within a reasonable time period. The City, at City’s discretion, may provide and place sod material at the completion of projects. If the City places sod, this line item will not be paid to contractor.

• The contractor is responsible for insuring density of sub-grade meets COG specifications for each repair.

• Repairs to water service lines cut during construction on the customer’s side of the meter will be completed by a Licensed Plumber.

• Any areas where the surrounding landscape has to be lowered or raised (to include sprinkler systems and meter boxes) because of a repair shall be paid in accordance with the line item marked as unclassified excavation.

• The T/4 saw cuts referred to in the pay items is intended to be used in old existing concrete not newly poured concrete. The T/4 saw cuts required in new concrete are considered inclusive of the repair.

• The contractor will make every effort to match existing sod on all repairs. This may include grasses other than St. Augustine and Bermuda.

• The line item for flex base will only be used at the discretion of the inspector. The line item includes the contractor providing, placing, and compacting.

• The line item for placing and compacting fill will only be used at the discretion of the inspector. The line item includes placing and compacting fill provided by the owner.

WARRANTY/BONDS

Each repair shall be stamped, when concrete is still pliable, with contractor’s company name and date for the purpose of warranty time control.

All work performed under this contract for the City of Lewisville shall be warranted for a period of two (2) years. If within two years after acceptance of work, any of the work is found to be defective or not in accordance with the contract documents, the contractor shall correct it promptly after receipt of notice from the City.

A payment, performance, and two (2) year performance maintenance bond shall be required with this contract. It shall be made out for the total amount of the contract, and enforceable for two (2) years from final acceptance of the project.

PROJECT LOCATIONS

Projects will be located throughout the city limits of Lewisville.

INSURANCE

Insurance shall be supplied by the awarded contractor within ten (10) days of notification of award, as detailed in the Purchasing Required Documents of this bid. Insurance must be approved by the City prior to the commencement of work and shall remain in effect throughout the entire duration of this project. Please note Explosion, Collapse, and Underground (XCU) coverage will be required for this contract.

REQUEST FOR BIDS

Bids are to be submitted based on the specifications contained herein. Alternate bids will also be considered, provided the alternatives are clearly explained. All deviations from the specifications must be clearly identified and explained.

No telephone, email, or fax bids will be accepted. Bids may be accepted if delivered in person or by U.S. Postal Service, Federal Express, UPS, etc. or uploaded to Bonfire. The City is not responsible for missing, lost, or late delivery. Any RFB responses received after the time set for opening will be returned to the bidder unopened.

The preparation of the bid will be at the total expense of the bidder. There is no expressed or implied obligation for the City of Lewisville to reimburse responding bidders for any expense incurred in the preparation of bids in response to this request.

The City reserves the right to reject all bids, to consider alternatives, to waive any formalities and irregularities, and to re-solicit bids. In addition, during the evaluation period, the City may, where it may serve the City’s best interest, request additional information or clarifications from bidders, or allow corrections of errors or omissions.

Each bidder shall guarantee and honor its response to these specifications for a period of forty-five (45) days, or until the City enters a contract with one of the bidders, whichever occurs first.

The RFB will be available to interested parties on Bonfire or may be picked up in person at the Purchasing office.

All questions pertaining to this bid must be submitted in writing via Bonfire.

Bids may be uploaded to Bonfire or delivered to the City of Lewisville Purchasing Division Office at the address, in a sealed envelope or box, clearly marked:

RFB: #25-80-A WORK ORDER GENERATED CONCRETE REPAIRS

Delivery address:

City of Lewisville

Finance Administration – Purchasing Division Attn: Nicole Haney, Buyer

151 W. Church Street Lewisville, TX 75057

PRE-BID

A pre-bid conference will be held at the date and time specified on Bonfire. While attendance of the pre-bid conference is not mandatory, it is recommended due to the nature of the project.

MISCELLANEOUS

All forms requiring either a signature or information to be filled in are to be returned with your bid. In addition, the language contained in the attached form entitled Purchase Order Terms and Conditions is made part of this request for bid through reference herein.